THHQB1115 - 15Amp Circuit Breaker

THHQB1115 - 15 Amp Circuit Breaker

The THHQB1115 circuit breaker is a dependable 15-amp, 1-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection in your commercial, industrial, and institutional electrical distribution systems. As part of the trusted THHQB Q-Line family, this bolt-on circuit breaker is engineered for secure installation and consistent performance in panelboard applications where safety and system uptime are essential. Featuring a 22kA interrupting rating at 120VAC, the THHQB1115 is built to help you protect conductors and connected equipment from damaging fault conditions while maintaining the integrity of the electrical system. Its compact footprint allows for efficient use of panel space, making it a practical solution for both new installations and maintenance projects.

Key Features and Benefits

• 15 Amp Rating: For branch circuit protection in a wide range of electrical applications.
• Single-Pole Design: Is ideal for 120VAC circuits.
• 22 kA Interrupting Capacity: At 120 VAC helps safeguard electrical systems against high fault currents.
• Bolt-On Mounting Configuration: Provides a secure, vibration-resistant connection within compatible panelboards.
• Q-Line Series Construction: Is designed for dependable operation and long service life.
• Molded Case Design: Helps protect internal components from environmental and operational stresses.
• HACR Rated: For use in heating, air conditioning, and refrigeration equipment applications where permitted by code and equipment specifications.
• Compact Dimensions: Support efficient panel utilization and simplified installation.
  

Technical Specifications

• Part Number: THHQB1115
  
• Type: THHQB
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Mounting Type: Bolt-On
  
• Poles: 1
  
• Amperage Rating: 15A
  
• Voltage Rating: 120VAC
  
• Interrupting Rating: 22kA @ 120VAC
  
• Series: Q-Line
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.5 in.
  • Width: 1.0 in.
  • Depth: 2.81 in.

Material Compliance and Certifications

• Industry Performance and Safety Standards: The THHQB1115 is manufactured and tested to meet applicable industry performance and safety standards for molded case circuit breakers.
• HACR Rating: Its HACR rating supports use in qualifying heating, cooling, and refrigeration applications.
• Reliable Circuit Protection: Its Design is intended to provide reliable circuit protection when installed and maintained in accordance with applicable electrical codes and manufacturer requirements.
  

Where It Works Best

• The THHQB1115 is well-suited for commercial buildings, industrial facilities, schools, healthcare environments, office complexes, and light manufacturing operations that require dependable branch circuit protection. It is commonly used in lighting circuits, receptacle circuits, control panels, HVAC equipment, and general-purpose electrical distribution systems utilizing compatible Q-Line panelboards. The secure bolt-on connection makes it especially valuable in installations where durability and long-term electrical reliability are priorities.